Market Overview - The chemical fiber sector experienced a decline of 2.23% on October 17, with Haiyang Technology leading the drop [1] - The Shanghai Composite Index closed at 3839.76, down 1.95%, while the Shenzhen Component Index closed at 12688.94, down 3.04% [1] Individual Stock Performance - Haiyang Technology (603382) closed at 32.76, down 6.32% with a trading volume of 31,100 shares and a turnover of 105 million yuan [1] - Shenma Co., Ltd. (600810) closed at 10.12, down 6.30% with a trading volume of 622,800 shares and a turnover of 643 million yuan [1] - Moyi Zhong (688722) closed at 17.66, down 5.21% with a trading volume of 52,000 shares and a turnover of 94.11 million yuan [1] - Tianfulong (603406) closed at 48.06, down 4.83% with a trading volume of 58,700 shares and a turnover of 288 million yuan [1] - Baogudi (300905) closed at 32.82, down 4.45% with a trading volume of 60,200 shares and a turnover of 202 million yuan [1] Capital Flow Analysis - The chemical fiber sector saw a net outflow of 351 million yuan from institutional investors, while retail investors had a net inflow of 334 million yuan [1] - The table of capital flow indicates that major stocks like Huafeng Chemical (002064) and Montai High-tech (300876) had mixed net inflows and outflows from different investor categories [2]